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[ELF] Add R_X86_64_64 relocation. 

llvm-svn: 171836
This commit is contained in:
Michael J. Spencer 2013-01-08 02:12:15 +00:00
parent 8f80cd92d9
commit d2a4ccf8f9
1 changed files with 12 additions and 0 deletions
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12
lld/lib/ReaderWriter/ELF/X86_64Reference.cpp
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@ -20,6 +20,14 @@
using namespace llvm::ELF;
namespace {
/// \brief R_X86_64_64 - word64: S + A
int reloc64(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
uint64_t result = S + A;
*reinterpret_cast<llvm::support::ulittle64_t *>(location) = result |
(uint64_t)*reinterpret_cast<llvm::support::ulittle64_t *>(location);
return 0;
}
/// \brief R_X86_64_PC32 - word32: S + A - P
int relocPC32(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
uint32_t result = (uint32_t)((S + A) - P);
@ -50,6 +58,7 @@ int reloc32S(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
namespace lld {
namespace elf {
X86_64KindHandler::X86_64KindHandler(){
_fixupHandler[R_X86_64_64] = reloc64;
_fixupHandler[R_X86_64_PC32] = relocPC32;
_fixupHandler[R_X86_64_32] = reloc32;
_fixupHandler[R_X86_64_32S] = reloc32S;
@ -61,6 +70,7 @@ X86_64KindHandler::~X86_64KindHandler() {
Reference::Kind X86_64KindHandler::stringToKind(StringRef str) {
return llvm::StringSwitch<Reference::Kind>(str)
.Case("none", none)
.Case("R_X86_64_64", R_X86_64_64)
.Case("R_X86_64_PC32", R_X86_64_PC32)
.Case("R_X86_64_32S", R_X86_64_32S)
.Default(invalid);
@ -68,6 +78,8 @@ Reference::Kind X86_64KindHandler::stringToKind(StringRef str) {
StringRef X86_64KindHandler::kindToString(Reference::Kind kind) {
switch ((int32_t)kind) {
case R_X86_64_64:
return "R_X86_64_64";
case R_X86_64_PC32:
return "R_X86_64_PC32";
case R_X86_64_32S: